Tire tread



FIG. 1 is a perspective view of a tire tread, it being understood that the tread pattern repeats uniformly throughout the circumference of the tire.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a left side elevation view thereof; and,

FIG. 4 is an enlarged fragmentary front view thereof.

The broken lines shown in the drawings are for the purpose of showing environmental structure only and form no part of the claimed design. 

The ornamental design for a tire tread, shown and described. 